EP2455322B1 - Grue - Google Patents

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Publication number
EP2455322B1
EP2455322B1 EP11009038.8A EP11009038A EP2455322B1 EP 2455322 B1 EP2455322 B1 EP 2455322B1 EP 11009038 A EP11009038 A EP 11009038A EP 2455322 B1 EP2455322 B1 EP 2455322B1
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EP
European Patent Office
Prior art keywords
crane
rope
accordance
boom
pulley block
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP11009038.8A
Other languages
German (de)
English (en)
Other versions
EP2455322A1 (fr
Inventor
Yggve Richter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Liebherr Werk Ehingen GmbH
Original Assignee
Liebherr Werk Ehingen GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Liebherr Werk Ehingen GmbH filed Critical Liebherr Werk Ehingen GmbH
Publication of EP2455322A1 publication Critical patent/EP2455322A1/fr
Application granted granted Critical
Publication of EP2455322B1 publication Critical patent/EP2455322B1/fr
Active legal-status Critical Current
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
    • B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/108—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means for lifting parts of wind turbines

Definitions

  • the invention relates to a crane with an indirectly or directly attached to the crane hoist hook and a hook attached to the hook frame for receiving a special load, in particular for receiving a rotor blade of a wind turbine.
  • the rotor blades When installing wind turbines, the rotor blades must be mounted at a high lifting height. For this purpose, vehicle cranes or crawler cranes are preferred.
  • the rotor blade to be mounted has a large rotor area and consequently a large wind attack surface. For mounting the rotor blade on the corresponding wind turbine, a sufficiently precise adjustment and stabilization of the recorded rotor blade in the mounting height is required.
  • constructions are known in which one or more additional ropes, also referred to as guide ropes, starting from the jib foot to the jib head by means of at least one additional winch is stretched / are.
  • the receptacle for the rotor blade is connected via two control cables with the or the tensioned cables.
  • the object of the present invention is now to show an improved guidance possibility for the controls of a frame, which is relatively simple and inexpensive to implement.
  • the crane according to the invention comprises a load hook attached indirectly / directly to the crane hoisting rope, to which a frame for receiving a special load is attached.
  • the frame is suitable for receiving a rotor blade of a wind turbine.
  • Such frames are referred to in the jargon as "yoke”.
  • This is a frame that takes the actual load gently and without damage.
  • the connection between the load hook and the frame is suitably made via towing means.
  • towing means For aligning and stabilizing the Yokes this self-operating assemblies such. As winches, drives, equipment, etc ..
  • the frame used has at least two indirectly associated with the crane boom controls for adjusting, stabilizing and fine-alignment of the frame or the load recorded.
  • the at least two control elements are guided along a guide cable region of the crane lifting cable. Accordingly, an area of the hoisting rope used is created which provides a guiding possibility for the connected control elements.
  • the attachment of a separate guide rope is therefore superfluous. Separate winches with appropriate hydraulic and electrical control for tensioning the separate guide ropes or are also unnecessary.
  • the proposed solution significantly simplifies crane production and, moreover, is considerably cheaper than known designs.
  • the technical embodiment of the invention is independent of the type of main boom used.
  • it may be both a lattice boom and a telescopic boom.
  • a portion of the hoist rope is used as a guide rope area, which is parallel to the boom longitudinal axis on the load-facing boom side runs.
  • the hoisting rope is guided by the crane hook back to the boom and is stretched parallel to the boom longitudinal axis in the direction of the boom foot.
  • the recirculated area of the hoist rope is used as the guide rope area.
  • the guide cable region of the hoist rope is formed by the hoist rope returned from the hook block in the direction of the boom, which extends from the hook block via at least one deflection roller on the boom in the direction of the boom longitudinal axis to the lower crane attachment point.
  • at least one deflection roller is expediently arranged on the roller head of the jib tip.
  • One or more pulleys may preferably be provided at any point of the boom. For example, on the main boom, on the boom extension or on the needle.
  • the hub height of a wind turbine to be mounted can be decisive.
  • At least one deflection roller in the guide cable area of the hoisting cable can be mounted or mounted at a variable height on the crane boom.
  • the assembly of the deflection roller can be done, for example, in coordination with the target height of the load to be provided.
  • the deflection roller is preferably bolted or fastened by means of clamping means on the crane.
  • One or more controls are particularly preferably designed as control cables. Accordingly, at least two control cables of the attached frame are guided along the guide cable portion of the hoisting cable.
  • a timing chain and / or a spindle and / or a cylinder and / or a telescopic rod and / or an articulated steering is conceivable.
  • a scissors-based element is conceivable.
  • the embodiment is expedient for at least a part of the controls identical, but also any combination of the proposed embodiments is possible.
  • the end stop point of the returned hoist rope is preferably on the pivot piece of the crane jib.
  • the hoist rope can be struck at the end on the luffing cylinder or also on the revolving platform.
  • a cable lock is arranged on Hubseilende.
  • the Hubseilende can be attacked or struck depending on the requirement profile at any point of the crane.
  • the handling of Hubseilendes is preferably carried out with the help of one end of the hoist rope or cable lock arranged mounting part, which is accessible either from the crane footprint from or alternatively operated by a drive. It is conceivable to operate the mounting part by means of at least one winch, in particular to wind or unwind. As a mounting part, for example, an already existing mounting part of the winch can be used.
  • At least one guide roller arranged in the guide cable region of the hoisting cable comprises a device for catching or fixing at least one guided control element.
  • the controls slide, in particular by means of a fixed connecting link, as a function of the lifting height along the guide cable region of the hoist cable.
  • the device serves for fixing and stabilizing the control elements, in particular the connecting link, so that precise control or fine adjustment of the frame can be ensured with the aid of the control elements.
  • the deflection roller is arranged on the crane, so that the controls or the connecting link can be caught or fixed in the target lift height to be achieved.
  • a variably mounted on the boom deflection pulley designed the device for trapping and fixing.
  • the assembly of the deflection roller hub height of a wind turbine to be mounted takes place.
  • the attachment of said pulley on the boom just below the lift height to be achieved so that a premature capture and fixing the controls to a certain and advantageous Schrägyak the controls leads.
  • the diagonal pull reinforces the achieved fixation of the controls.
  • the device of the deflection roller consists at least of a pivotally mounted about the Umlenkrollenachse plate having at least one stop surface.
  • the pivotal mounting of the plate ensures a targeted alignment of the stop surface in response to the deflected by the pulley rope.
  • the abutment surface is arranged on the underside of the plate and the cable is guided orthogonal to the abutment surface through this.
  • the cable runs orthogonally through the center of area of the stop surface. The vertical movement of the sliding on the rope controls can thus be limited by the stop surface to a maximum height.
  • the plate of the device preferably comprises at least one retaining roller which ensures a soft and damped positioning of the plate on the rope. This is particularly advantageous if the plate is deflected in any direction, thus resulting in increasing the Seilumschlingungswinkels the deflected rope on the pulley.
  • the tensile force created in the rope acts as a restoring force and is damped by the plate due to the retaining roller.
  • a connecting link is provided which is suitable for connecting at least one control element to the guide cable region of the hoisting cable.
  • the connecting link on at least one stop surface, which can be brought into abutment with the appropriate counter-stop surface of the deflection roller described above.
  • At least one sliding block is preferably provided in the region of the abutment surface of the connecting link. With the help of Gleitklotzes becomes a targeted striking the two stop surfaces ensured. Furthermore, the slide block in the captured position of the connecting link causes an improved positive connection between the guide roller and connecting link.
  • the connecting link is preferably designed to be rotatable about the cable axis of the hoist rope, so that the mobility of the controls is not or only slightly limited.
  • the sliding block In the trapped state of the connecting link, the sliding block preferably slides around the surface circumference of the abutment surface of the deflecting roller.
  • the invention further relates to a deflection roller with a device for catching and fixing at least one control element or a connecting link.
  • the diverting pulley obviously has the same features and properties as the crane above, which is why a repeated discussion is omitted here.
  • the invention further relates to a connecting link which can be caught or fixed on a deflection roller with a corresponding device.
  • the connecting link obviously has the same features and properties as the above-described embodiment of the crane, which is why a repeated explanation is omitted here.
  • deflection roller and the connecting link can of course also be used on a separate non-assignable to the hoist rope guide rope of any crane.
  • FIG. 1 shows a crane assembly 10 for the assembly of wind turbines 100.
  • the specific embodiment of the crane structure 10, in particular of the boom system 11, is irrelevant to the invention.
  • the idea according to the invention can basically be used with any type of cantilever system 11, such as, for example, a lattice boom crane and a telescopic crane.
  • a yoke 30 is attached via the towbar 21.
  • the yoke 30 includes a frame that receives a rotor blade 101 of the wind turbine 100 to be lifted gently and without damage. Further, the yoke 30 includes a number of self-operating assemblies, such as winches, drives, resources that serve to operate the outgoing control cables 40, among other things.
  • control cables 40 are connected for adjusting and stabilizing the yoke 30 indirectly with the boom system 11.
  • no additional guide cable is clamped on the boom system 11 as a guide possibility of the control cables 40.
  • the hoist rope 50 of the crane 10 is used instead.
  • the hoist rope 50 extends from the roller head 12 to the hook bottle 23 to be guided back to the boom system 11 after load-dependent reeving on the hook block 23. Specifically, the rope course of the hook bottle 23 returning hoist rope 50 determined by the arranged on the roller head 12 guide roller 13 and mounted on the rotor hub height on the boom system 11 guide roller 14. The end of the hoist rope is struck at the lower attachment point, not shown, which is in dependence on the given lifting conditions or the crane body on the pivot piece, rocker cylinder or on the crane turning platform. In the illustrated drawing, the portion 50a of the hoist rope 50, which is parallel to the boom axis from the pulley 14 to the lower link point, is used as the guide rope portion 50a.
  • FIG. 2 An enlarged view of the Rolllenkopfs 12 is the FIG. 2 refer to. This gives once again an exact overview of the specific rope course of the hoist rope 50 on the roller head 12th
  • the number of shearing the hoist rope 50 on the hook bottle 23 is selected depending on the Yokes 30 used. It is possible to use Yokes with different physical dimensions, which are specially designed for different rotor blades with different geometrical dimensions and weights. For the reeving the total weight of yoke 30, hook bottle 23 and recorded rotor blade 101 must be considered. The number of shearing reduces the pulling force on the hoisting rope. This is necessary in order to prevent the tensile force in the rope from being higher than permissible. In area 51 a, this effect is undesirable, albeit immutable.
  • the deflection roller 14 is mounted on the boom system 11 just below the target height (hub height) to be reached by the Yoke upper edge. Even before the yoke 30 reaches the target height, the control cables 40, which run along the guide cable region 50a of the hoisting cable 50 by means of connecting link 60, abut against the specially designed deflection roller 14. The targeted striking of the connecting link 60 on the guide roller 14 is supported by a retraction of the connecting link 60 in a corresponding device 200 on the guide roller 14.
  • the guide roller 14 can be gebolzt in the appropriate height on the boom system to achieve a fixation of the connecting link 60.
  • the mating connection elements are realized on the boom via clamping, bolt connections or other fixing mechanisms.
  • the deflection roller 14 is rigidly positioned on the boom system 11 with its axis of rotation.
  • the plate 200 is attached, the is mounted pivotably about the Umlenkrollenachse.
  • the plate 200 also carries a retaining roller 201 which positions the plate 200 soft and damped by the hoist rope 50. If the plate is to be deflected, for example, to the right then increases the wrap angle of the hoisting rope 50 to the deflection roller 14. The tensile force acts in the hoist rope 50 as a restoring force.
  • the plate 200 has on its underside a stop plate 202 which does not completely surround the hoist rope 50.
  • the center of the circular stop plate 202 lies on the longitudinal axis of the hoist rope 50.
  • the connecting link 60 also has a plate, the stop plate 300, whose shape corresponds to the stop plate 202 of the guide roller 14.
  • the catching and holding process in as described below.
  • the connecting link 60 is taken by the hoisting Yoke 30 via the control cables 40. If the two stop plates 202, 300 approach each other, they are aligned with one another via the slide block 301 of the connecting link 60 until both stop plates 202, 300, as in FIG FIG. 4 explicitly shown to lie on top of each other. The system is now positively connected via the sliding block 301, so that forces can be transmitted from the control cables 40 of the slide block 301 on the stop plate 202 of the guide roller 14.
  • the connecting link 60 is still rotatable about the cable axis and can be aligned according to the control cable forces.
  • the slide block 301 slides on the outside of the stopper plate 202 with the hoist rope 50 as a center.
  • the crane 10 according to the invention must continue to be able to lift heavy loads without major refitting.
  • a particularly heavy load in the assembly of wind turbines 100 for example, represents the nacelle.
  • the shearing of the hoist rope 50 on the hook block 23 is chosen accordingly, but in this extreme load case, the introduction of additional force in the guide cable portion 50a of the hoist rope 50 in the boom system 11th avoided as far as possible. For this reason, the hoist rope 50 is fixed at the end by a cable lock on the boom system 11.
  • the guide cable area 50a can be increased, reduced or recessed by the end-side variable mounting option.
  • the nacelle of the wind turbine 100 is brought into the mounting position.
  • the end of the hoist rope 50 is held on the cable lock at the upper end of the boom system 11. Due to the low windage surface, a guide cable portion 50a is not required.
  • yoke 30 is attached to hook hook 23.
  • the cable lock, at the end of the mounting part of the winch of the crane 10 is attached, pulled over the winch to the boom foot and hung.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
  • Wind Motors (AREA)

Claims (16)

  1. Grue (10) avec un crochet de levage (20) fixé indirectement/directement au câble de levage de la grue et un châssis suspendu au crochet de levage (20) pour le logement d'une charge spéciale, plus particulièrement pour le logement d'une pale de rotor (101) d'une éolienne (100),
    caractérisée en ce que
    l'élément ou les éléments de commande (40) d'un châssis suspendu au crochet de levage (20) est/sont guidé(s) le long d'une zone de câble de guidage (50a) du câble de levage de la grue (50).
  2. Grue (10) selon la revendication 1, caractérisée en ce que la zone de câble de guidage (50a) du câble de levage est formé par le retour du câble de levage (50) à partir d'une bride de crochet (23), en passant par au moins une poulie de renvoi (14), dans la même direction que l'axe longitudinal de la flèche, vers le point d'élingage inférieur sur la grue (10).
  3. Grue (10) selon l'une des revendications précédentes, caractérisée en ce qu'au moins une poulie de renvoi (14) peut être montée ou est montée dans la zone du câble de guidage (50a) du câble de levage (50) à une hauteur variable sur la flèche de la grue.
  4. Grue (10) selon l'une des revendications précédentes, caractérisée en ce qu'au moins un élément de commande (40) est un câble de commande (40) et/ou une chaîne de commande et/ou un axe et/ou un vérin et/ou une tige télescopique et/ou une barre articulée et/ou un élément basé sur un mécanisme à cisaillement.
  5. Grue (10) selon l'une des revendications précédentes, caractérisée en ce que le point d'élingage du côté de l'extrémité du câble de levage (50) se trouve au niveau de l'élément d'articulation de la flèche de la grue et/ou au niveau du vérin de relevage et/ou au niveau de la plate-forme rotative.
  6. Grue (10) selon l'une des revendications précédentes, caractérisée en ce que l'extrémité du câble de levage peut être élinguée ou est élinguée à la grue (10) à l'aide d'une attache de câble.
  7. Grue (10) selon l'une des revendications précédentes, caractérisée en ce qu'un câble de montage se trouve au niveau de l'extrémité du câble de levage ou de l'attache de câble et le câble de montage peut être enroulé/déroulé le cas échéant à l'aide d'un treuil, plus particulièrement le tambour de mouflage.
  8. Grue (10) selon l'une des revendications précédentes, caractérisée en ce qu'au moins une poulie de renvoi (14) comprend, dans la zone de câble de guidage (50a), un dispositif de capture ou de fixation de l'élément ou des éléments de commande (40), plus particulièrement pour la capture ou la fixation d'un coulisseau de liaison (60).
  9. Grue (10) selon la revendication 8, caractérisée en ce que le dispositif mentionné comprend au moins une plaque logée de manière pivotante autour de l'axe de la poulie de renvoi, avec au moins une surface d'élingage.
  10. Grue (10) selon la revendication 9, caractérisée en ce que la surface d'élingage est disposée de préférence sur le côté inférieur de la plaque et le câble traverse de manière presque orthogonale la surface d'élingage, plus particulièrement traverse de manière orthogonale le centre de la surface d'élingage.
  11. Grue (10) selon la revendication 9 ou 10, caractérisée en ce que la plaque comprend au moins une poulie de maintien pour le guidage amorti de la plaque le long du câble.
  12. Grue (10) selon l'une des revendications 8 à 11, caractérisée en ce que le coulisseau de liaison (60) utilisé comprend au moins une surface d'élingage pour la capture ou la fixation du coulisseau de liaison sur la poulie de renvoi (14) avec un dispositif correspondant.
  13. Grue (10) selon la revendication 12, caractérisée en ce que, au niveau de la surface d'élingage du coulisseau de liaison (60), se trouve un coulisseau à articulation (301).
  14. Grue (10) selon la revendication 12, caractérisée en ce que le coulisseau de liaison tourne autour de l'axe du câble et le coulisseau à articulation coulisse, dans l'état capturé ou fixé, autour de la périphérie de la surface d'élingage de la poulie de renvoi.
  15. Grue (10) selon l'une des revendications 1 à 14, avec une poulie de renvoi avec un dispositif de capture et de fixation d'au moins un élément de commande (40) ou d'un coulisseau de liaison (60).
  16. Grue (10) selon l'une des revendications 1 à 15 avec un coulisseau de liaison pouvant être capturé et fixé à une poulie de renvoi (14) selon la revendication 15.
EP11009038.8A 2010-11-18 2011-11-14 Grue Active EP2455322B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202010015616U DE202010015616U1 (de) 2010-11-18 2010-11-18 Kran

Publications (2)

Publication Number Publication Date
EP2455322A1 EP2455322A1 (fr) 2012-05-23
EP2455322B1 true EP2455322B1 (fr) 2013-06-05

Family

ID=44925245

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11009038.8A Active EP2455322B1 (fr) 2010-11-18 2011-11-14 Grue

Country Status (5)

Country Link
US (1) US8678208B2 (fr)
EP (1) EP2455322B1 (fr)
CN (1) CN102530724B (fr)
DE (1) DE202010015616U1 (fr)
DK (1) DK2455322T3 (fr)

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Publication number Priority date Publication date Assignee Title
DE202013006584U1 (de) * 2013-07-22 2014-10-23 Liebherr-Werk Ehingen Gmbh Ballastvorrichtung zur Erzeugung einer Windenvorspannung
EP2889251B1 (fr) * 2013-12-30 2016-08-24 Siemens Aktiengesellschaft Agencement de guidage de charge
DE102014013953A1 (de) 2014-09-19 2016-03-24 Liebherr-Werk Ehingen Gmbh Kran mit einem am Lasthaken angehängten Rahmen zur Aufnahme einer speziellen Last
CN104961043B (zh) * 2015-04-29 2017-05-31 招商局重工（江苏）有限公司 一种浮吊及其多功能吊钩、多功能吊钩组
CN104973512B (zh) * 2015-07-05 2017-06-13 浙江麒龙起重机械有限公司 一种起重机吊绳摆动限位机构
CN106315408B (zh) * 2016-10-21 2017-11-28 成都世唯科技有限公司 一种风叶装拆空中姿态调整设备
FI128022B (fi) 2017-12-12 2019-08-15 Konecranes Global Oy Nostimen runkorakenne
CN113454016B (zh) * 2018-12-28 2023-09-05 维斯塔斯风力***有限公司 提升组件和用于操纵部件的方法

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US6439407B1 (en) * 1998-07-13 2002-08-27 The United States Of America As Represented By The Secretary Of Commerce System for stabilizing and controlling a hoisted load
DE10305543C5 (de) * 2003-02-10 2011-04-28 Aloys Wobben Verfahren zur Montage von Rotorblättern sowie ein Rotorblatt für eine Windenergieanlage
CA2635656C (fr) * 2005-12-30 2014-07-08 Tracy Livingston Systeme et appareil de levage pour la construction de tours eoliennes
DE202006015189U1 (de) 2006-10-04 2008-02-14 Liebherr-Werk Ehingen Gmbh Teleskopkran
EP1925582B1 (fr) * 2006-11-23 2010-06-23 Siemens Aktiengesellschaft Procédé et dispositif de montage de pales d'éoliennes
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DE202010012237U1 (de) * 2010-09-06 2011-12-08 Liebherr-Werk Ehingen Gmbh Kran
EP2364948B1 (fr) * 2010-03-08 2012-05-09 Liebherr-Werk Ehingen GmbH Grue
DE202010003269U1 (de) * 2010-03-08 2011-08-23 Liebherr-Werk Ehingen Gmbh Kran

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DATABASE INSPEC [online] THE INSTITUTION OF ELECTRICAL ENGINEERS, STEVENAGE, GB; May 1968 (1968-05-01), KALITKIN N N: "Finite difference solution for infinite value of the coefficient of heat conductivity", Database accession no. 159 *
ZHURNAL VYCHISLITEL'NOI MATEMATIKI I MATEMATICHESKOI FIZIKI USSR, vol. 8, no. 3, pages 684 - 686, ISSN: 0044-4669 *

Also Published As

Publication number Publication date
DK2455322T3 (da) 2013-08-19
US20120125875A1 (en) 2012-05-24
CN102530724B (zh) 2016-08-03
CN102530724A (zh) 2012-07-04
EP2455322A1 (fr) 2012-05-23
DE202010015616U1 (de) 2012-03-01
US8678208B2 (en) 2014-03-25

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